Earth Movers and Shakers

Young scientists learn about DNA replication through a video and model creation. They answer analysis questions before exploring the role of mutations and then complete a summative assessment.

Did you know one definition of moment is consequence? A video focuses on these types of moments. It analyzes the various amounts of force that are applied to distances. It then applies these concepts to levers. 

Will advances in technology save us from exhausting the Earth's resources? Throughout history, progress helped us revolutionize society. The video discusses the growth in collective learning, exploration, machinery, communications,...

Bacteria outnumber all other living organisms found on Earth. Explore the evolutionary precursor to multicellular organisms, unicellular organisms with a video that delves into the world of bacteria, protists, and archaea and...

Scientists believe red hair and pale skin evolved in northern Europe because it helped humans synthesize vitamin D easier than those with more melanin in their skin. Viewers explore many interesting facets of evolution in a...

There are many people who simply don't like the taste of water, whether served hot, cold, or fresh ... so what about day-old water? The video explores why drinking water that sits out overnight tastes stale to some people the next...

Exactly what did Archimedes mean when he said, "Give me a place to stand, and I will move the Earth"? Watch this video and find out as it explains the mathematics behind levers, and explores a few fun hypothetical situations...

Students build models of types of levers. In this simple machines lesson, students use dowels and modified wooden rulers to build different types of levers. They compete to create the most efficient lever in the class.

Answer the questions after watching a silent video demonstrating a lever. Also included are videos on mechanical advantage levers.

If you can't go to the birds, bring the birds to you! An interactive lesson helps learners identify different bird types by sight and sound. Pop-ups provide information about the different birds and audio plays the sound each bird...